/* ============================================================================
   Voliton design system · grounded in The Cathedral brand matrix.
   Dark, cinematic, venture-grade. Palette: ink/forest -> navy, gold + green
   accents. Display serif (Fraunces) over Inter body. Restraint = premium.
   ============================================================================ */

:root {
  /* Cathedral source tokens */
  --ink: #0c1712;            /* deepened forest-black for backgrounds */
  --ink-2: #0b1322;          /* navy companion */
  --paper: #f3f7f4;          /* near-white text on dark */
  --paper-dim: #aebbb4;      /* muted text */
  --paper-faint: #8a9a92;    /* faintest text / captions (AA on dark) */
  --gold: #d4a32a;           /* sun-gold accent (brightened for dark) */
  --gold-deep: #b8860b;
  --green: #3fae6b;          /* house-green (brightened) */
  --green-deep: #2f7d4f;
  --blue: #7a9ce8;           /* engine-blue accent for text (AA on dark) */
  --blue-deep: #2b4a8b;      /* deep engine-blue for button fills */

  --line: rgba(255,255,255,.10);
  --line-strong: rgba(255,255,255,.18);
  --glass: rgba(255,255,255,.045);
  --glass-2: rgba(255,255,255,.07);

  --surface: #0e1a14;
  --surface-2: #101d2c;

  /* Inter throughout per the brand brief · big, confident, no decorative faces */
  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --radius: 16px;
  --radius-lg: 24px;
  --maxw: 1120px;
  --shadow: 0 24px 80px -20px rgba(0,0,0,.6);
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

/* ---- layout ---- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(72px, 11vw, 150px) 0; position: relative; }
.section.tight { padding: clamp(48px, 7vw, 90px) 0; }
.center { text-align: center; }
.grid { display: grid; gap: 22px; }
@media (min-width: 760px) { .grid.cols-3 { grid-template-columns: repeat(3,1fr); } .grid.cols-2 { grid-template-columns: repeat(2,1fr); } }

/* ---- type ---- */
.eyebrow {
  font-size: 12.5px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--gold); opacity: .6; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.04; letter-spacing: -.025em; }
h1 { font-size: clamp(40px, 7vw, 80px); }
h2 { font-size: clamp(29px, 4.4vw, 52px); }
h3 { font-size: clamp(20px, 2.3vw, 26px); font-weight: 700; letter-spacing: -.015em; }
.display-em { color: var(--gold); }
.lede { font-size: clamp(18px, 2.1vw, 22px); color: var(--paper-dim); max-width: 60ch; }
.muted { color: var(--paper-dim); }
.kicker { color: var(--green); font-weight: 600; }
p + p { margin-top: 1em; }

/* gradient text for hero punch */
.grad {
  background: linear-gradient(100deg, var(--paper) 0%, var(--gold) 60%, #f0d488 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 15.5px; line-height: 1;
  padding: 15px 26px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, border-color .2s;
  white-space: nowrap;
}
/* Engine-blue is the brand metal · it does the talking; gold only whispers */
.btn-primary {
  background: linear-gradient(180deg, #4f73c9, var(--blue-deep));
  color: #ffffff; box-shadow: 0 12px 34px -10px rgba(79,115,201,.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -12px rgba(79,115,201,.78); }
.btn-ghost { background: var(--glass-2); color: var(--paper); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--glass); border-color: var(--paper-dim); transform: translateY(-2px); }
.btn-lg { padding: 18px 34px; font-size: 16.5px; }
.btn:disabled { opacity: .6; cursor: default; transform: none; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 60;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(8,16,12,.55); border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 600; letter-spacing: .02em; }
.brand .mark { width: 26px; height: 26px; }
.brand b { font-family: var(--font-display); font-size: 21px; font-weight: 500; letter-spacing: .01em; }
.nav-links { display: none; gap: 30px; font-size: 14.5px; color: var(--paper-dim); }
.nav-links a:hover { color: var(--paper); }
@media (min-width: 880px) { .nav-links { display: flex; } }

/* ---- surfaces / cards ---- */
.card {
  background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px; transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); background: var(--glass-2); }
.card .ic { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(212,163,42,.12); color: var(--gold); margin-bottom: 18px; font-size: 21px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--paper-dim); font-size: 15.5px; }

.tool-card { display: flex; flex-direction: column; }
.tool-card .pill { align-self: flex-start; font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--green); background: rgba(63,174,107,.12); border: 1px solid rgba(63,174,107,.3);
  padding: 4px 11px; border-radius: 999px; margin-bottom: 16px; font-weight: 600; }
.tool-card .free { color: var(--gold); font-weight: 600; }
.tool-card a.go { margin-top: auto; padding-top: 18px; color: var(--gold); font-weight: 600; font-size: 14.5px; }
.tool-card a.go:hover { color: #f0d488; }

/* ---- backdrops ---- */
.aurora { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora::before, .aurora::after {
  content: ""; position: absolute; width: 60vw; height: 60vw; border-radius: 50%;
  filter: blur(110px); opacity: .35;
}
.aurora::before { background: radial-gradient(circle, rgba(63,174,107,.5), transparent 70%); top: -20%; left: -10%; }
.aurora::after { background: radial-gradient(circle, rgba(79,115,201,.45), transparent 70%); bottom: -25%; right: -12%; }
.hairline { height: 1px; background: linear-gradient(90deg, transparent, var(--line-strong), transparent); border: 0; }

/* ---- stat / proof strip ---- */
.stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
@media (min-width: 760px) { .stats { grid-template-columns: repeat(4,1fr); } }
.stat .n { font-family: var(--font-display); font-size: clamp(34px,4vw,48px); color: var(--gold); line-height: 1; }
.stat .l { color: var(--paper-dim); font-size: 14px; margin-top: 8px; }

/* ---- forms (opt-in) ---- */
.optin {
  background: linear-gradient(180deg, var(--glass-2), rgba(255,255,255,.02));
  border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: clamp(24px,4vw,40px);
  box-shadow: var(--shadow);
}
.optin form { display: grid; gap: 12px; max-width: 440px; }
.optin input[type=text], .optin input[type=email] {
  width: 100%; padding: 15px 17px; border-radius: 12px; font-size: 16px; color: var(--paper);
  background: rgba(0,0,0,.28); border: 1px solid var(--line-strong); font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.optin input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(212,163,42,.18); }
.optin .hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }
.optin #optin-msg { color: #ffb86b; font-size: 13.5px; min-height: 18px; }
.optin .fineprint { color: var(--paper-faint); font-size: 12.5px; margin-top: 4px; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 40px; color: var(--paper-dim); font-size: 14px; }
.footer .cols { display: grid; gap: 30px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .footer .cols { grid-template-columns: 2fr 1fr 1fr; } }
.footer a { color: var(--paper-dim); } .footer a:hover { color: var(--paper); }
.footer h4 { font-family: var(--font-body); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--paper-faint); margin-bottom: 14px; }
.footer ul { list-style: none; display: grid; gap: 9px; }
.footer .legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; color: var(--paper-faint); font-size: 13px; }

/* ---- scroll reveal ---- */
/* Hidden only when JS is on (html.js is set inline before paint); with JS off,
   content stays visible instead of being trapped at opacity:0. */
.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal { opacity: 0; transform: translateY(24px); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .btn:hover, .card, .card:hover { transition: none !important; transform: none !important; }
  html { scroll-behavior: auto; }
}

/* ---- legal / long-form pages ---- */
.doc { max-width: 760px; margin: 0 auto; padding: clamp(60px,9vw,110px) 24px; }
.doc h1 { font-size: clamp(34px,5vw,52px); margin-bottom: 10px; }
.doc .updated { color: var(--paper-faint); font-size: 14px; margin-bottom: 40px; }
.doc h2 { font-size: clamp(22px,2.6vw,28px); margin: 40px 0 12px; }
.doc p, .doc li { color: var(--paper-dim); font-size: 16px; }
.doc ul { padding-left: 22px; margin: 12px 0; display: grid; gap: 8px; }
.doc a { color: var(--gold); }